Unique New Solution for Online Monitoring of SF6 Insulation
Vaisala introduces a unique innovation for online monitoring of SF6 insulation in high voltage equipment. The Vaisala Multiparameter Transmitter DPT145 combines online dew point monitoring with pressure measurement, creating a superior tool for assessing the condition of SF6 insulation continuously and in real-time.
Sulphur hexafluoride (SF6) is used as an insulating gas in transmission and distribution equipment such as switchgears and circuit breakers to prevent arcing during switch-offs and protect equipment from failures. The direct normalized pressure measurement of the Vaisala DPT145 detects leakages immediately, while online dew point measurement provides early warning on moisture issues, which affect the insulating properties of the gas and cause rapid deterioration.
The Vaisala DPT145 is the only transmitter on the market capable of providing online monitoring of seven different parameters at once. It measures dew point, pressure and temperature directly, and provides calculated values for density, normalized pressure, dew point in atmospheric pressure and ppm.
When one single instrument monitors seven different parameters, fewer mechanical connections are needed, which reduces the risk of leakages. Savings can be achieved across the board in the form of smaller investment and installation costs, and less need for on-site servicing, for example.
What’s more, extremely good long-term stability ensures reliable, high quality measurements for years without calibration. Online monitoring is also environmentally friendly as it removes the need for sampling and ensures that no SF6 gas is released into the atmosphere.
The DPT145 will be introduced for the first time at selected tradeshows in Japan, Germany and China during the next few months. The transmitter will be commercially available during the third quarter of 2011.
Come meet us:
Electrical Construction Equipment and Materials Fair 2011
Tokyo, Japan - May 25-27, 2011
CIRED, the 21st International Conference and Exhibition on Electricity Distribution
Franfurt, Germany - June 6-9, 2011
Vaisala is a global leader in environmental and industrial measurement. Building on 75 years of experience, Vaisala contributes to a better quality of life by providing a comprehensive range of innovative observation and measurement products and services for meteorology, weather critical operations and controlled environments. Headquartered in Finland, Vaisala employs approximately 1350 professionals worldwide and is listed on the NASDAQ OMX Helsinki.
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